Yeah, it's awesome!
The back reads (I'm paraphrasing):
"Featuring 75 distinct personality counter to represent your characters, including 37 different humans, 14 elves, 8 dwarves, 4 gnomes, 4 half-elves, 4 halflings, and 4 half-orcs. More than 75 different monster counters, including 13 different animals and familiars, 9 dragons in different sizes, 12 magical beasts, 7 golems and elementals, 6 different giants, 8 demons and devils, and 8 monstrous humanoids. And many more inside..."
Pics on the cover seem to include cat, hawk, badger, and owl familiars; a displacer beast; a kuo-toa; cockatrice; ankheg; griffon; hag; hell hound; naga; couatl; various demons and devils; bulette; hippogriff; some fey; rakshasa; carrion crawler; nightmare; slaadi; wolf; ettin; various giants; centaur; yuan-ti; chimera; unicorn.
This is only a partial list.